rwsdk/dist/runtime/lib/db/createDb.js

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import { Kysely } from "kysely";
import { DOWorkerDialect } from "./DOWorkerDialect.js";
export function createDb(durableObjectBinding, name = "main") {
    return new Kysely({
        dialect: new DOWorkerDialect({
            kyselyExecuteQuery: (...args) => {
                const durableObjectId = durableObjectBinding.idFromName(name);
                // context(justinvdm, 2 Oct 2025): First prize would be a type parameter
                // for the durable object and then use it for `durableObjectBinding`'s
                // type, rather than casting like this. However, that would prevent
                // users from being able to do createDb<InferredDbType> then though.
                const stub = durableObjectBinding.get(durableObjectId);
                stub.initialize();
                return stub.kyselyExecuteQuery(...args);
            },
        }),
    });
}